Error in foliation: leaf 78 misnumbered "79".
Signatures: A-K⁸ L⁸ (L7-L8 blank).
Includes index.
An English translation was published 1573 in London with title: The Breviary of Britain.
Includes the author's letter to cartographer Abraham Ortelius dated from Denbigh 30 August 1568, and a brief Welsh-Latin vocabulary at the end.